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An evaluation of the relative safety of U.S. mining explosion-protected equipment approval requirements versus international standards

Transactions of the Society for Mining, Metallurgy, and Exploration , 2017, Vol. 342, No. 1, pp. 43-50

Calder, W.; Snyder, D.; Burr, J.F.



This paper provides a determination of the equivalent level of protection of the international standards relative to similar criteria used by the U.S. Mine Safety and Health Administration (MSHA) to approve two-fault intrinsically safe (IS) stand-alone equipment. U.S. mining law requires such a determination for MSHA to use alternatives to existing standards. The primary issue is to demonstrate that the international standards for equipment evaluation will provide at least the same level of protection for miners as the document currently used by MSHA.